Base | Representation |
---|---|
bin | 110001110000… |
… | …110000100000 |
3 | 220112202001120 |
4 | 301300300200 |
5 | 11314413033 |
6 | 1143332240 |
7 | 215610252 |
oct | 61606040 |
9 | 26482046 |
10 | 13044768 |
11 | 73aa800 |
12 | 4451080 |
13 | 29196c9 |
14 | 1a37cd2 |
15 | 122a1b3 |
hex | c70c20 |
13044768 has 72 divisors (see below), whose sum is σ = 37671984. Its totient is φ = 3949440.
The previous prime is 13044767. The next prime is 13044791. The reversal of 13044768 is 86744031.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (13044767) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11055 + ... + 12177.
It is an arithmetic number, because the mean of its divisors is an integer number (523222).
Almost surely, 213044768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13044768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18835992).
13044768 is an abundant number, since it is smaller than the sum of its proper divisors (24627216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13044768 is a wasteful number, since it uses less digits than its factorization.
13044768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1158 (or 1139 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 13044768 is about 3611.7541444567. The cubic root of 13044768 is about 235.4030686414.
Adding to 13044768 its reverse (86744031), we get a palindrome (99788799).
The spelling of 13044768 in words is "thirteen million, forty-four thousand, seven hundred sixty-eight".
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